Hair straightening brush



FIG. 1 . is a front perspective view of a hair straightening brush;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the hairstraightening brush that form no part of the claimed design.

CLAIM The ornamental design for a hair straightening brush, as shown anddescribed.